Reland of Added VP8 simulcast tests. Fixed analyzer to correctly infer timestamps.

webrtc/common_video/include/frame_callback.h

Index: webrtc/common_video/include/frame_callback.h
diff --git a/webrtc/common_video/include/frame_callback.h b/webrtc/common_video/include/frame_callback.h
index cc39eaa1a5bd780bbf442887bfe4f2e00b19b951..45624f1554aab8e4d606f19ed72f2cb997f16224 100644
--- a/webrtc/common_video/include/frame_callback.h
+++ b/webrtc/common_video/include/frame_callback.h
@@ -22,13 +22,32 @@
 
 struct EncodedFrame {
  public:
-  EncodedFrame() : data_(NULL), length_(0), frame_type_(kEmptyFrame) {}
-  EncodedFrame(const uint8_t* data, size_t length, FrameType frame_type)
-    : data_(data), length_(length), frame_type_(frame_type) {}
+  EncodedFrame()
+      : data_(nullptr),
+        length_(0),
+        frame_type_(kEmptyFrame),
+        encoded_width_(0),
+        encoded_height_(0),
+        timestamp_(0) {}
+  EncodedFrame(const uint8_t* data,
+               size_t length,
+               FrameType frame_type,
+               uint32_t encoded_width,
+               uint32_t encoded_height,
+               uint32_t timestamp)
+      : data_(data),
+        length_(length),
+        frame_type_(frame_type),
+        encoded_width_(encoded_width),
+        encoded_height_(encoded_height),
+        timestamp_(timestamp) {}
 
   const uint8_t* data_;
   const size_t length_;
   const FrameType frame_type_;
+  const uint32_t encoded_width_;
+  const uint32_t encoded_height_;
+  const uint32_t timestamp_;
 };
 
 class EncodedFrameObserver {